swc/ecmascript/transforms/optimization/tests/const_modules.rs

76 lines
1.6 KiB
Rust
Raw Normal View History

2020-04-03 04:33:35 +03:00
use std::collections::HashMap;
use swc_ecma_transforms_optimization::const_modules;
use swc_ecma_transforms_testing::test;
use swc_ecma_transforms_testing::Tester;
2020-07-23 20:18:22 +03:00
use swc_ecma_visit::Fold;
fn tr(t: &mut Tester<'_>, sources: &[(&str, &[(&str, &str)])]) -> impl Fold {
let mut m = HashMap::default();
for (src, values) in sources {
let values = values
.iter()
.map(|(k, v)| ((*k).into(), v.to_string()))
.collect();
m.insert((*src).into(), values);
}
const_modules(t.cm.clone(), m)
}
test!(
::swc_ecma_parser::Syntax::default(),
|tester| tr(tester, &[("@ember/env-flags", &[("DEBUG", "true")])]),
simple_flags,
r#"import { DEBUG } from '@ember/env-flags';
if (DEBUG) {
console.log('Foo!');
}"#,
r#"
if (true) {
console.log('Foo!');
}"#
);
test!(
::swc_ecma_parser::Syntax::default(),
|tester| tr(
tester,
&[
("@ember/env-flags", &[("DEBUG", "true")]),
(
"@ember/features",
&[("FEATURE_A", "false"), ("FEATURE_B", "true")]
)
]
),
complex_multiple,
"
import { DEBUG } from '@ember/env-flags';
import { FEATURE_A, FEATURE_B } from '@ember/features';
if (DEBUG) {
console.log('Foo!');
}
let woot;
if (FEATURE_A) {
woot = () => 'woot';
} else if (FEATURE_B) {
woot = () => 'toow';
}
",
"
if (true) {
console.log('Foo!');
}
let woot;
if (false) {
woot = () => 'woot';
} else if (true) {
woot = () => 'toow';
}
"
);